President Obama sharply criticized the decision, saying it gives "a green light to a new stampede of special interest money in our politics" and represents "a major victory for big oil, Wall Street banks, health insurance companies and the other powerful interests that marshal their power every day in Washington to drown out the voices of everyday Americans."
In a statement released by the White House, Obama said the ruling "gives the special interests and their lobbyists even more power in Washington -- while undermining the influence of average Americans who make small contributions to support their preferred candidates." He said he was instructing his administration "to get to work immediately with Congress on this issue" and coordinate with Democratic and Republican leaders on a "forceful response."
The decision upends the court's precedent that corporations may not use their profits to support or oppose candidates, and it rejects a large portion of the so-called McCain-Feingold campaign finance reform act that the justices had declared constitutional just six years ago. It seems likely to apply to the political role of labor unions as well.
The decision does not address the restriction on direct contributions to candidates, and it upholds disclosure requirements for groups that mount advertising campaigns for and against candidates.
The court's liberal bloc, which included new Justice Sonia Sotomayor in the case, dissented. Justice John Paul Stevens took more than 20 minutes to read a dissent from the bench, a move justices reserve for emphasizing their disagreement.
"A radical change in the law," Stevens called the decision. He said Thursday's majority rejects the decisions of Congress dating from 1907 and "the overwhelming majority of justices who have served on this court."
But Fred Wertheimer, a veteran campaign reform activist who heads Democracy 21, called the ruling "a disaster for the American people and a dark day for the Supreme Court."
"In a stark choice between the right of American citizens to a government free from 'influence-buying' corruption and the economic and political interests of American corporations, five Supreme Court Justices today came down in favor of American corporations," Wertheimer said. "With a stroke of the pen, five Justices wiped out a century of American history devoted to preventing corporate corruption of our democracy."